Measurements:
°C
°F
CURRENT WEATHER
08:12
Hilo
78°F
W 4 mph
Feels like: 82°F
Precip: 17%
World Resorts USA Hilo Weather

7 Day Weather Forecast

07.15
wed
DAY
82°F
W 9 mph
precip
14%
NIGHT
74°F
NE 4 mph
precip
10%
07.16
thu
DAY
80°F
W 7 mph
precip
36%
NIGHT
76°F
NW 4 mph
precip
49%
07.17
fri
DAY
82°F
SW 7 mph
precip
28%
NIGHT
76°F
W 5 mph
precip
29%
07.18
sat
DAY
80°F
SW 10 mph
precip
18%
NIGHT
76°F
SW 6 mph
precip
39%
07.19
sun
DAY
80°F
SW 8 mph
precip
5%
NIGHT
74°F
S 4 mph
precip
33%
07.20
mon
DAY
82°F
SW 7 mph
precip
13%
NIGHT
74°F
SE 2 mph
precip
32%
07.21
tue
DAY
80°F
SW 9 mph
precip
27%
NIGHT
76°F
SW 3 mph
precip
32%

Hilo Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Hilo was 26.8°F. The maximum and minimum values were 26.6°F and 27.0°F respectively.

Hilo on the Weather Map

Best Time to Visit Hilo
The most sunny months:
January 17 days
October 15 days
September 14 days
The most warm months:
September 81.3 °F
August 81.1 °F
October 81.0 °F
Warmest sea temperature:
September 83.7 °F
October 83.3 °F
August 83.1 °F
The most cold months:
March 75.8 °F
February 75.9 °F
April 76.0 °F
The most rainy months:
March 6 days
November 5 days
February 5 days
The most windy months:
March 8 mph
April 8 mph
August 8 mph
more details